tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
Log | Files | Refs | README | LICENSE

cssstyledeclaration-mutationrecord-001.html (896B)

      1 <!doctype html>
      2 <meta charset="utf-8">
      3 <title>CSSOM: CSSStyleDeclaration.setPropertyValue queues a mutation record when changed</title>
      4 <link rel="help" href="https://drafts.csswg.org/cssom/#dom-cssstyledeclaration-setpropertyvalue">
      5 <link rel="help" href="https://drafts.csswg.org/cssom/#update-style-attribute-for">
      6 <link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io">
      7 <script src=/resources/testharness.js></script>
      8 <script src=/resources/testharnessreport.js></script>
      9 <script>
     10  document.documentElement.style.top = "0px";
     11 
     12  let test = async_test("CSSStyleDeclaration.setPropertyValue queues a mutation record when serialization is changed");
     13  let m = new MutationObserver(function(r) {
     14    assert_equals(r.length, 1);
     15    test.done();
     16  });
     17 
     18  m.observe(document.documentElement,  { attributes: true });
     19  document.documentElement.style.top = "1px";
     20 </script>